/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Mechanics/PolyLassoMarqueeMechanic.h
For marquee mechanic, the range will be [BasePriority, BasePriority] since it only uses one priority.
TPair< [FInputCapturePriority](API\Runtime\InteractiveToolsFramework\FInputCapturePriority), [FInputCapturePriority](API\Runtime\InteractiveToolsFramework\FInputCapturePriority) > GetPriorityRange() const